bpo-40135: Fix multiprocessing test_shared_memory_across_processes() (GH-19892)
Don't define shared memory block's name in test_shared_memory_across_processes():
use SharedMemory(create=True) instead.
(cherry picked from commit caa3ef284a2e5e5b9bdd6a9e619804122c842d80)
Co-authored-by: Hai Shi <shihai1992@gmail.com>
diff --git a/Lib/test/_test_multiprocessing.py b/Lib/test/_test_multiprocessing.py
index 5943dd8..ff58481 100644
--- a/Lib/test/_test_multiprocessing.py
+++ b/Lib/test/_test_multiprocessing.py
@@ -3828,7 +3828,9 @@
sms.close()
def test_shared_memory_across_processes(self):
- sms = shared_memory.SharedMemory('test02_tsmap', True, size=512)
+ # bpo-40135: don't define shared memory block's name in case of
+ # the failure when we run multiprocessing tests in parallel.
+ sms = shared_memory.SharedMemory(create=True, size=512)
self.addCleanup(sms.unlink)
# Verify remote attachment to existing block by name is working.